Casey from SWISCO responded:
September 14, 2023
Hello, Our largest channel balance bottom-fitting would be the 15-003 shown below, but we would need you to confirm the exact depth of your shoe and if it matches the 1-3/16" depth of our shoe. If so, we can supply your balances as a custom order with the 19-002 top and 15-003 bottom fittings. You would also need 2430 strength options to support a sash between 15-19 pounds. Thank you. Alternate view of 15-003
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